At first glance, green tomatoes can be a bit confusing - aren't they just red tomatoes that haven't yet ripened? Sometimes, but there are actually two distinct categories in which you can place green tomatoes. On one side, you've got red tomato varieties picked early while they're still unripe, pale, and mostly firm. These green tomatoes are destined to turn red if left to Mother Nature's timetable. On the other hand, heirloom or specialty varieties are bred